Column method to add 2-digit and 3-digit numbers

In this lesson, we are continuing to use column method to add 2-digit and 3-digit numbers. Today, we will be regrouping from the ones column to the tens column when the ones column adds up to 10 or more.

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Aut3.7.2 – Add 2-digit and 3-digit numbers – crossing 10 or 100 from White Rose Maths on Vimeo.